Williston Saddlery
Trailer Parts
With years of expertise, we offer an extensive range of trailer parts for various trailer types. Whether you need standard parts or specific components, we can fulfill your requirements. Feel free to come into the store or contact us to discuss what you might need. Bringing in the used parts or referencing this page will help us ensure the accuracy of the parts provided.
Axle Components
Below we have provided guidance on how to accurately measure the most common parts of an axle, to ensure you receive the correct parts for your needs please refrence the diagrams below.
Hub and Drum Components
Grease Seal
Inner Bearing
Inner Race
Outer Race
Outer Bearing
1.
2.
3.
4.
5.
Spindle Washer
Spindle Nut
Cotter Pin
Grease Cap
Spindle Nut
6.
7.
8.
9.
10.
Spindle Nut Retainer
Grease Cap
Plug for Grease Cap
Wheel Stud
Wheel Nut
11.
12.
13.
14.
15.
The image shows an example of the components for a hub and drum, with corresponding numbers to guide you.
Ordering an Axle
Drop Axle
Straight Axle
Torsion Axle
To order a replacement axle for your trailer, we first need to gather some information about the axle:
1. Tube- Is the tube Round, Square, or Rectangular? What is the outside diameter of the tube?
2. Spindles- Are they straight or drop?
3. Hub Type- What is the bolt pattern?
4. Hub Face- What is the hubface to hubface measurement?
5. Spring Center- What is the measurement from spring center to spring center?
6. Spring Placement- Are the springs on the top or the bottom?
Starting Angle on a Torsion Axle
The diagram provides the starting angles on a torsion axle and how to measure them
Wheel Studs and Bolts
A: Thread Diameter
B: Stud Length
C: Spine length
D: Base Length
E: Spine Diameter
A: Thread Diameter
B: Thread Length
C: Head size
A: Thread Diameter
B: Overall Length
C: Lug Nut End Length
D: Hub End Length
Spindles
To ensure that we are sending you the correct spindle, it would be helpful to know some of the dimensions of your current spindle. The diagram provides helpful measurements.
Brake Assemblies
To ensure that we are sending you the correct brake or brake parts, please refer to the diagram below that outlines the parts of a brake.
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Brake Magnet
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Actuating Arm
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Shoe and Lining
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Shoe Retainer
-
Shoe Return Spring
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Adjuster Spring Kit
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Adjuster Spring Kit
-
Adjuster Dust Plug
-
Magnet Clip
Other helpful information when getting a new brake would be the width of the shoe, the diameter of the brake, and the number of holes in the backing plate.
Suspension
We offer anything you need for your trailers suspension from leaf spring to equalizers and U-bolts.
Suspension Elements For Tandem Axle With Double Eye Springs
Refer to the diagram above for the suspension elements of a tandem axel trailer with double eye springs.
Suspension Elements For Tandem Axle With Double Eye Springs
Refer to the diagram above for the suspension elements of a tandem axel trailer with slipper springs
Measurements For a Replacement Leaf Spring
A: Length from the center of one eye to the center of the other.
B: Perpendicular length of from center of the eye to the tie bolt.
C: Perpendicular length of the center of the eye to the center of the tie bolt.
A: Length from the center of the eye to end of leaf.
B: Perpendicular length of from center of the eye to the tie bolt.
C: Perpendicular length of Center of eye to center of tie bolt
D: Length from the center of the eye to the peak of the slipper.
Other considerations when buying a leaf spring are number of leafs on the spring, how wide the spring is, and the diameter of the eye.
Measurements For a Replacement U-Bolt
A: Diameter of U-Bolt
B: Width of U-Bolt
C: Inside length of U-Bolt
Examples of Equalizers
Wheel and Tires
To make sure we send you with the correct wheel or wheel-and-tire combination, we’ll need a few details about your trailer. First, whether it has a single wheel or dual wheel. We’ll also need the bolt pattern. If you're not sure how to measure the bolt pattern, we’ve included instructions below to help you out.
The above instructions will work for all 4, 6, and 8 lug wheels.
Either of the above instructions will work for all 5 lug wheels.
Trailer Jacks
We take pride in keeping over 150 trailer jacks in stock, giving you a wide selection to choose from. To ensure you receive the correct jack, we’ll need a few details: whether it’s a top-wind or side-wind model, if it uses a bracket mount or pipe mount, the total height, and the weight rating. Below are some examples of the different mount styles and handle types available.
Trailer Couplers
We offer a wide selection of couplers for all types of trailers, including bumper pull and gooseneck styles. To ensure we provide you with the correct part, we’ll need a few details about your coupler: trailer type, coupler shape, how the coupler attaches to the trailer, and the size of the ball. Below we have included a few examples.
